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Finding the Fourth Proportional to 383,609.80, 576,070.80 and 251,077.60

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Solution

The fourth proportional to 383,609.80, 576,070.80 and 251,077.60 is: 377,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,609.80 : 576,070.80 = 251,077.60 : x
  2. Step 2: Convert to fraction form
    383,609.80/576,070.80 = 251,077.60/x
  3. Step 3: Cross multiply
    383,609.80x = 576,070.80 × 251,077.60
  4. Step 4: Simplify right side
    383,609.80x = 144,638,473,894.08
  5. Step 5: Solve for x
    x = 144,638,473,894.08/383,609.80
  6. Step 6: Final answer
    x = 377,045.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.